package com.itheima.annotation;

public class Demo01 {


    public static void main(String[] args) {
       A.show();

    }

    //@Override
    public void sing(){

    }
    @SuppressWarnings("all")
    public static  void dance(){
        int a=10;
    }

}
class  A{
    @Deprecated
    public static   void show(){

    }
}
